Tập
Modern Marvels: Episode 24
Tóm tắt
Cannons have fired balls of iron and atomic bombs, changed the way wars are fought, and now come equipped with smart weapons. Beginning with 13th-century cannons that were designed to penetrate forts of the day, we'll see how cannons were first cast and later forged, and show how large cannons terrorized civilians and soldiers in WWI and WWII. Moving to the present, we feature the 40-ton self-propelled Crusader that launches 100-pound steel artillery shells more than 33 miles.
Chi tiết
- Phim bộ
- Modern Marvels
- Mùa
- Mùa 8
- Tập
- Tập 24
- Ngày phát sóng
- 2001-08-21
- Thời lượng
- 44 min
Thông tin tập
Episode 24 là tập 24 trong Season 8 của Modern Marvels. Tập này phát sóng ngày 2001-08-21. Thời lượng là 44 min.
Tập trước / tập sau
Tập 23
From the 19th century’s legendary cattle drives to the million-acre ranch kingdoms that sprang to life with the end of the Open Range to 21st-century techniques that include artificial insemination, embryo transplants, and genetic engineering, we review the history of cattle ranching. We’ll ride herd with modern cowboys as they twirl ropes and brand calves, and look to the cattle ranch of the future, where cloning will produce the ideal meat-producing steer with a consistently juicy, low-fat carcass.
Tập 25
The most priceless jewels in the arsenals of a handful of countries, some nuclear submarines carry more firepower than all the bombs dropped in history. Since the 1950s, these lethal steel sharks have been a cornerstone of U.S. defense policy. The Cold War launched an underwater race for supremacy with the Soviet Union. The result: engineering miracles, which roam 70% of the earth’s surface, providing deterrence to enemies, intelligence about adversaries, and an abiding sense of dread.
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Tập 22
A salute to the tools and toys that have stood the test of time–from the Zippo lighter to the Palm Pilot, the 21st century’s first great gadget. As we focus on the technology behind familiar gadgets, we see the subtle ways they have changed our lives. Other items include the flashlight, transistor radio, safety razor, and the metronome. We also go behind the scenes at Herbst-Lazar-Bell, a cutting-edge industrial design firm, and Gadget Universe, a fledgling retailer trying to topple the Sharper Image.
Tập 26
From barnstormers to Blue Angels, antique aircraft to supersonic jets, each year there are an astonishing 425 air shows in America alone, entertaining over 18-million spectators. From futuristic festivals to billion-dollar expos, we explore the world of amazing aerobatics and their ever-evolving aircraft and see how aviation technology has affected air shows–and how air shows have advanced aviation. Find out why these high-flying events are second only to baseball as America’s favorite family event.
Tập 21
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Tập 27
For nearly 200 years, the U.S. Military Academy at West Point, New York, has trained students in the art of war. Located 50 miles north of New York City, its 25 buildings overlook the Hudson River on a 16,000-acre government reserve. During the Revolutionary War, West Point stood guard over the river, protecting it with artillery and a 136-ton chain! From humble beginnings, the academy grew with the nation, as each war forced changes to keep pace with America’s expanding world responsibilities.
Tập 20
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Tập 28
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Tập 19
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Tập 29
Half a mile below the earth’s surface, men mine for rough diamonds–a pure carbon substance. Brilliant when cut and polished, they are marketed as the most precious gem in the world. From the earliest mines of the 4th century BC to today’s technological wonders in South Africa, we explore the history and technology of the diamond mine.
Tập 18
Modern Marvels brings the heart of the Roman Empire back to life through the rich history of this famous amphitheater. Built in 70 AD, the Roman Colosseum seated 80,000 people, boasted a retractable roof, underground staging devices, marble seating, and lavish decorations. To this day, it serves as the prototype for the modern stadium. The complexity of its construction, the beauty of its architecture, and the functionality of its original design made the Colosseum the perfect place for massive crowds to congregate for the bloody spectacles it was built to contain.
Tập 30
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